
DTK COMPUTER, INC.

KEEN-4031

Processor         80386DX
Processor Speed   40MHz
Chip Set          DTK
Max. Onboard DRAM 16MB (8MB on external memory card)
Cache             64KB
BIOS              AMI/DTK
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Reset switch               J1        Speaker                     J4

  Turbo LED                  J2        Power LED & keylock         J5

  Turbo switch               J3        32-bit system memory        SL1
                                       card

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

      Turbo switch select normal             J3              pins 1 & 2
      speed (no cache support)                                closed

      Turbo switch select turbo              J3                Open
      speed (cache support)

      Turbo switch select through            J3              pins 2 & 3
      keyboard by pressing CTRL,                              closed
      ALT, -

     NPU disabled                           J11              Closed

      NPU enabled                            J11               Open

      Monitor type select                   SW1/4               Off
      monochrome

      Monitor type select color             SW1/4               On

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

     DRAM SWITCH CONFIGURATION

  Size     SW1/1   SW1/2    SW1/3

   1MB      On       On       On

   2MB      On       On       On

   4MB      On      Off       On

   5MB      Off     Off       On

   8MB      On       On      Off

                            CACHE CONFIGURATION

  Note: 64KB cache is factory installed and is not configurable. The
  location is unidentified.

